CN212434509U

CN212434509U - Novel microswitch

Info

Publication number: CN212434509U
Application number: CN202021225795.3U
Authority: CN
Inventors: 钟连祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-01-29
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a micro-gap switch technical field, concretely relates to novel micro-gap switch, including base, epitheca, according to sincere, sealing washer, according to sincere and be connected with the spring between the base, be provided with common terminal and output terminal on the base, according to sincere and install on the base and relative base up-and-down slip, the spring is located in the base according to sincere under, is provided with the trigger shell fragment on the base, the one end of trigger shell fragment with common terminal electric connection; the trigger spring piece comprises a fixing part connected with the base, the end part of the fixing part is bent to form an elastic part, and an arc-shaped part is arranged on the elastic part. The utility model discloses well trigger the structure of shell fragment comparatively succinctly, trigger the shell fragment and only need when the assembly trigger the whole corresponding position of pegging graft the base of shell fragment, avoid causing the damage to be out of shape to triggering the shell fragment, guaranteed the holistic reliability of micro-gap switch, guaranteed life, the installation that triggers the shell fragment simultaneously is convenient fast, has improved production efficiency, has reduced manufacturing cost.

Description

Novel microswitch

Technical Field

The utility model relates to a micro-gap switch technical field, concretely relates to novel micro-gap switch.

Background

The words switch are to be interpreted as open and closed. It also refers to an electronic component that can open a circuit, interrupt a current, or cause it to flow to other circuits. The most common switches are electromechanical devices operated by a person, in which there are one or several electrical contacts. The "closing" of a contact means that the electronic contact is conductive, allowing current to flow; an "open" of the switch indicates that the electrical contact is non-conductive, creating an open circuit, not allowing current to flow. Common switches include microswitches, ship-type switches, toggle switches, push-button switches, and push-button switches. The microswitch is a switch which has a minute contact interval and a quick action mechanism, performs a switching action by a specified stroke and a specified force, is covered by a shell, and has a driving rod outside. In the existing microswitch, in order to ensure the sensitivity, the complexity of the structural design is high, and the structure that the triggering elastic sheet is composed of a plurality of parts is also generated, so that the difficulty is high in assembly, time and labor are wasted, the deformation of the elastic sheet for triggering can be caused by carelessness in the operation process, and the function and the service life of the microswitch are influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel micro-gap switch.

The utility model discloses a following scheme realizes:

the utility model provides a novel micro-gap switch, includes the base, the epitheca of being connected with the base, according to sincere, connect in the epitheca and according to the sealing washer between sincere, pass according to sincere upper end the sealing washer, according to being connected with the spring between sincere and the base, be provided with common terminal and output terminal on the base, output terminal is for normally opening terminal or normally closed terminal, and common terminal and output terminal's lower part all stretches out in the base, install on the base according to sincere, slide from top to bottom according to sincere relative base, the spring is located in the base according to sincere under, is equipped with the erection column that is used for spring suit on the base, novel micro-gap switch still includes: the trigger elastic sheet is arranged on the base, and one end of the trigger elastic sheet is electrically connected with the common terminal; the trigger elastic sheet comprises a fixed part connected with the base, the end part of the fixed part is bent to form an elastic part, and an arc-shaped part is arranged on the elastic part; the fixing part is electrically connected with the common terminal; the pressing latch is provided with a first protruding part or a second protruding part used for pushing the arc-shaped part, and when the pressing latch is pressed, the trigger elastic sheet is contacted with or separated from the common terminal so as to switch on or off the common terminal and the output terminal; and a gap for accommodating the trigger elastic sheet is arranged between the common terminal and the inner wall of the base.

Furthermore, according to sincere including with base swing joint's sliding seat, set up the handle of pressing on the sliding seat, be provided with the draw-in groove that is used for connecting the sealing washer on the handle of pressing.

Furthermore, the first protruding portion is an arc-shaped boss arranged on the side wall of the sliding seat and close to the bottom, and when the arc-shaped boss extrudes the arc-shaped portion, the trigger spring plate is disconnected with the output terminal.

Furthermore, the second protruding part is a plane boss arranged on the side wall of the sliding seat and close to the upper end, and when the plane boss is in contact with the trigger spring plate, the trigger spring plate is disconnected from the output terminal.

Furthermore, the base is provided with a connecting seat used for connecting the sliding seat, and an opening is formed in the position, corresponding to the arc-shaped part, of the connecting seat; the side of connecting seat is provided with rectangular form and runs through the mouth, the sliding seat side is provided with the stopper with the position that runs through the mouth and correspond, the stopper is pegged graft to run through in the mouth, and the width of stopper is less than and runs through a mouthful width.

Further, the fixing part and the elastic part form an L shape.

Furthermore, the fixing part is arranged along the inner wall of the base, and a first contact is arranged on one side of the fixing part facing the common terminal; the end of the elastic part is provided with a second contact used for contacting an output terminal, and the output terminal is provided with a third contact corresponding to the second contact.

Furthermore, a first guide part and a second guide part which are contacted with the elastic part are arranged at the positions of the base corresponding to the elastic part, and the first guide part and the second guide part are respectively positioned at two sides of the elastic part.

Further, the sliding seat is provided with a connecting hole for connecting a spring.

Further, the upper shell and the base are connected through a buckle.

Contrast prior art, the utility model discloses following beneficial effect has:

the utility model discloses well trigger the structure of shell fragment comparatively succinctly, trigger the shell fragment and can dismantle the connection on the base, only need to trigger the whole assembly that can accomplish trigger the shell fragment of inserting the corresponding position of base of shell fragment when the assembly, avoid causing the damage deformation to triggering the shell fragment, guaranteed the reliability of shell fragment, and then guaranteed the holistic reliability of micro-gap switch, guaranteed life simultaneously, it is quick convenient to trigger the installation of shell fragment simultaneously, has improved production efficiency, has reduced manufacturing cost. On the other hand, the side surface of the sliding seat of the pressing device is provided with a convex part or a lug boss which is matched with the arc part, so that the normally open and normally closed functions of the microswitch are ensured.

Drawings

Fig. 1 is an exploded view of the embodiment 1 of the novel microswitch provided by the invention.

Fig. 2 is a schematic structural view of the embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a base part in embodiment 1 of the present invention.

Fig. 4 is a sectional view of the embodiment 1 of the present invention.

Fig. 5 is an overall assembly diagram of embodiment 1 of the present invention.

Fig. 6 is a schematic diagram of a pressing structure according to embodiment 2 of the present invention.

The figure includes:

the connecting structure comprises a base 1, a common terminal 11, an output terminal 12, a third contact 121, a mounting column 13, a connecting seat 14, an opening 15, a through opening 16, a first guide portion 17, a second guide portion 18, an upper shell 2, a pressing body 3, a sliding seat 31, a pressing handle 32, a clamping groove 33, a limiting block 34, a connecting hole 35, a first protruding portion 36, a second protruding portion 37, a sealing ring 4, a spring 5, a triggering elastic sheet 6, a fixing portion 61, an elastic portion 62, an arc-shaped portion 63, a first contact 64 and a second contact 65.

Detailed Description

To facilitate understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Example 1

Referring to fig. 1 to 5, the utility model provides a pair of novel micro-gap switch, a novel micro-gap switch, including base 1, the epitheca 2 of being connected with base 1, according to sincere 3, connect in epitheca 2 and according to sincere sealing washer 4 between 3, pass according to sincere 3 upper end the sealing washer 4, be connected with spring 5 according to sincere 3 and base 1 between, be provided with common terminal 11 and output terminal 12 on base 1, output terminal 12 is for normally opening terminal or normally closed terminal, and common terminal 11 and output terminal 12's lower part all stretches out in base 1, install on base 1 according to sincere 3, slide from top to bottom according to sincere 3 relative base 1, under spring 5 locates in base 1 according to sincere 3, be equipped with the erection column 13 that is used for spring 5 suit on base 1, epitheca 2 and base 1 pass through the buckle and connect.

In specific implementation, the side wall of the upper shell may be provided with a connection structure to facilitate connection with other components, so as to better adapt to different use scenarios, and the connection structure may be in various forms, such as a connection column, a connection buckle, and the like, but the specific implementation is not limited to the above form, and may be set according to specific requirements.

The novel microswitch also comprises: the trigger elastic sheet 6 is arranged on the base 1, and one end of the trigger elastic sheet 6 is electrically connected with the common terminal 11; the trigger elastic sheet 6 comprises a fixed part 61 connected with the base 1, the end part of the fixed part 61 is bent to form an elastic part 62, and an arc part 63 is arranged on the elastic part 62; the fixing portion 61 is electrically connected to the common terminal 11. The pressing latch 3 is provided with a first protruding part 36 or a second protruding part 37 for pushing the arc-shaped part 63, and when the pressing latch 3 is pressed, the trigger elastic sheet 6 is contacted with or separated from the common terminal 11 so as to conduct or disconnect the common terminal 11 and the output terminal 12; and a gap for accommodating the trigger elastic sheet 6 is arranged between the common terminal and the inner wall of the base 1.

The pressing device 3 comprises a sliding seat 31 movably connected with the base 1 and a pressing handle 32 arranged on the sliding seat 31, wherein a clamping groove 33 used for connecting the sealing ring 4 is arranged on the pressing handle 32. The sliding seat 31 is provided with a coupling hole 35 for coupling the spring 5.

In this embodiment, the pressing device 3 is provided with a first protruding portion 36 for pushing the arc portion 63, the first protruding portion 36 is an arc-shaped boss disposed on the side wall of the sliding seat 31 near the bottom, and when the arc-shaped boss presses the arc portion 63, the trigger spring 6 is disconnected from the output terminal 12. When the pressing part 3 is pressed down, the arc-shaped boss moves downwards and does not press the contact arm any more, so that the elastic sheet 6 is triggered to reset and is in contact conduction with the second connecting terminal. After the pressing latch 3 is released, the pressing latch 3 resets, so that the arc-shaped boss presses the contact arm again, and the triggering elastic sheet 6 is disconnected with the second connecting terminal.

The base 1 is provided with a connecting seat 14 for connecting a sliding seat 31, and an opening 15 is arranged at the position of the connecting seat 14 corresponding to the arc-shaped part 63; the side of the connecting seat 14 is provided with a strip-shaped through opening 16, the side of the sliding seat 31 is provided with a limiting block 34 at a position corresponding to the through opening 16, the limiting block 34 is inserted into the through opening 16, and the width of the limiting block 34 is smaller than the width of the through opening 16. The engagement between the limiting block 34 and the through opening 16 can play a guiding role on one hand, and can limit the moving position of the holding part 3 on the other hand, so as to prevent the holding part 3 from being released from the connecting seat 14.

The fixing portion 61 and the elastic portion 62 form an "L" shape. Specifically, the triggering elastic sheet 6 is disposed substantially along the inner walls of two adjacent side surfaces of the base 1, and the distal end thereof extends to a position corresponding to the output terminal 12. In this embodiment, the fixing portion 61 and the elastic portion 62 are integrally formed.

The fixing part 61 is arranged close to the inner wall of the base 1, and one side of the fixing part 61 facing the common terminal 11 is provided with a first contact 64; the end of the elastic part 62 is provided with a second contact 65 for contacting the output terminal 12, and the output terminal 12 is provided with a third contact 121 corresponding to the second contact 65.

The base 1 is provided with a first guide portion 17 and a second guide portion 18 which are in contact with the elastic portion 62 at positions corresponding to the elastic portion 62, and the first guide portion 17 and the second guide portion 18 are respectively located at two sides of the elastic portion 62. The base 1 is further provided with a plurality of reinforcing ribs which are specifically arranged at positions corresponding to the common terminals and the output terminals 12, so that the reinforcing ribs not only strengthen the structure of the base 1, but also play a role in supporting the common terminals and the output terminals 12.

In the initial state, the arc boss presses the arc portion 63, thereby separating the second contact 65 of the trigger spring 6 from the output terminal 12, and the circuit is opened (i.e., normally open state). When the pressing latch 3 is pressed down, the arc-shaped boss leaves the arc-shaped part 63, the trigger elastic sheet 6 is elastically deformed, the second contact 65 is contacted with the third contact 121 of the output terminal 12, and the circuit is conducted. After the pressing latch 3 is released, the pressing latch 3 is reset, so that the arc-shaped boss presses the arc-shaped part 63 again, the second contact 65 of the trigger spring 6 is separated from the third contact 121 of the output terminal 12, and the circuit is disconnected again.

Example 2

Referring to fig. 6, in this embodiment, the pressing part 3 is provided with a second protruding portion 37 for pushing the arc portion 63, the second protruding portion 37 is a planar boss disposed on the side wall of the sliding seat 31 near the upper end, and when the planar boss contacts with the trigger elastic sheet 6, the trigger elastic sheet 6 is disconnected from the output terminal 12. The structure of the rest is the same as that of example 1, and will not be described redundantly. In the initial state, the plane boss does not press the arc-shaped portion 63, so that the second contact 65 of the trigger spring 6 is in contact with the output terminal 12, and the circuit is conducted (i.e., the normally closed state). When the pressing latch 3 is pressed, the plane boss extrudes the arc-shaped part 63, the trigger elastic sheet 6 is elastically deformed, the second contact 65 and the third contact 121 of the output terminal 12 are separated, and the circuit is disconnected. After the pressing part 3 is released, the pressing part 3 is reset, so that the plane boss does not press the arc-shaped part 63 any more, the triggering elastic sheet 6 is contacted with the output terminal 12, and the circuit is closed again.

The utility model discloses well trigger shell fragment and structure comparatively succinct, trigger the shell fragment and can dismantle the connection on the base, only need to trigger the whole assembly that can accomplish the trigger shell fragment of inserting the corresponding position of base of shell fragment when the assembly, avoid causing the damage deformation to triggering the shell fragment, guaranteed the reliability of shell fragment, and then guaranteed the holistic reliability of micro-gap switch, guaranteed life simultaneously, it is quick convenient to trigger the installation of shell fragment simultaneously, has improved production efficiency, has reduced manufacturing cost. On the other hand, the side surface of the sliding seat of the pressing device is provided with a convex part or a lug boss which is matched with the arc part, so that the normally open and normally closed functions of the microswitch are ensured.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.

Claims

1. A novel microswitch comprises a base (1), an upper shell (2) connected with the base (1), a sealing ring (4) connected with the upper shell (2) and between the upper shell (3), wherein the upper end of the upper shell (3) is passed through the sealing ring (4), a spring (5) is connected between the upper shell (3) and the base (1), the base (1) is provided with a common terminal (11) and an output terminal (12), the output terminal (12) is a normally open terminal or a normally closed terminal, the lower parts of the common terminal (11) and the output terminal (12) are respectively extended out of the base (1), the common terminal (3) is mounted on the base (1), the spring (5) slides up and down relative to the base (1) and is arranged in the base (1) under the common terminal (3), and a mounting column (13) for sleeving the spring (5) is arranged on the base (1), it is characterized in that the novel microswitch also comprises: the trigger elastic sheet (6) is arranged on the base (1), and one end of the trigger elastic sheet (6) is electrically connected with the common terminal (11); the trigger spring plate (6) comprises a fixing part (61) connected with the base (1), the end part of the fixing part (61) is bent to form an elastic part (62), and an arc-shaped part (63) is arranged on the elastic part (62); the fixing part (61) is electrically connected with the common terminal (11); the pressing part (3) is provided with a first protruding part (36) or a second protruding part (37) for pushing the arc-shaped part (63), and when the pressing part (3) is pressed, the trigger elastic sheet (6) is in contact with or separated from the common terminal (11) so as to conduct or disconnect the common terminal (11) and the output terminal (12); and a space for accommodating the trigger elastic sheet (6) is arranged between the common terminal and the inner wall of the base (1).

2. The novel microswitch of claim 1, wherein the button (3) comprises a sliding seat (31) movably connected with the base (1), and a button handle (32) arranged on the sliding seat (31), wherein the button handle (32) is provided with a clamping groove (33) for connecting the sealing ring (4).

3. The novel microswitch of claim 2, wherein the first protrusion (36) is an arc-shaped boss arranged on the side wall of the sliding seat (31) near the bottom, and when the arc-shaped boss presses the arc-shaped part (63), the trigger spring (6) is disconnected from the output terminal (12).

4. The novel microswitch of claim 2, wherein the second protrusion (37) is a planar boss disposed on the side wall of the sliding seat (31) near the upper end, and when the planar boss contacts the trigger spring (6), the trigger spring (6) is disconnected from the output terminal (12).

5. The novel microswitch of claim 2, wherein the base (1) is provided with a connecting seat (14) for connecting a sliding seat (31), and an opening (15) is formed in the connecting seat (14) at a position corresponding to the arc-shaped part (63); the side of the connecting seat (14) is provided with a strip-shaped through opening (16), the side of the sliding seat (31) is provided with a limiting block (34) at a position corresponding to the through opening (16), the limiting block (34) is inserted into the through opening (16), and the width of the limiting block (34) is smaller than the width of the through opening (16).

6. The new microswitch according to claim 1, characterized in that said fixed part (61) and elastic part (62) constitute an "L" shape.

7. The new microswitch according to claim 1, characterized in that the fixed part (61) is arranged against the inner wall of the base (1), the side of the fixed part (61) facing the common terminal (11) being provided with a first contact (64); the end of the elastic part (62) is provided with a second contact (65) for contacting the output terminal (12), and the output terminal (12) is provided with a third contact (121) corresponding to the second contact (65).

8. The novel microswitch according to claim 1, characterized in that the base (1) is provided with a first guide part (17) and a second guide part (18) in contact with the elastic part (62) at positions corresponding to the elastic part (62), and the first guide part (17) and the second guide part (18) are respectively located on both sides of the elastic part (62).

9. The new microswitch according to claim 2, characterized in that the sliding seat (31) is provided with a connection hole (35) for connecting a spring (5).

10. The new microswitch according to claim 1, characterized in that the upper shell (2) and the base (1) are connected by means of a snap connection.